Finding the Fourth Proportional to 251,073.42, 346,381.16 and 160,405.88
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Solution
The fourth proportional to 251,073.42, 346,381.16 and 160,405.88 is: 221,296.11
Step by Step Solution
- Step 1: Write the proportion equation
251,073.42 : 346,381.16 = 160,405.88 : x - Step 2: Convert to fraction form
251,073.42/346,381.16 = 160,405.88/x - Step 3: Cross multiply
251,073.42x = 346,381.16 × 160,405.88 - Step 4: Simplify right side
251,073.42x = 55,561,572,251.29 - Step 5: Solve for x
x = 55,561,572,251.29/251,073.42 - Step 6: Final answer
x = 221,296.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.